Since the start of the industrial revolution we are experiencing a sharp increase in economic development and due to this increase there are problems such as traffic congestion, population pressure and energy consumption. If these problems aren’t solved as soon as possible we need to find another earth to live in; to solve this problem we have to decrease the amount of carbon dioxide emitted into the air by 50% so we can live in the earth we are in now. In Japan during the last 30 years GDP has doubled while energy efficiency has increase by 37% and oil consumption has decreased by 8%. 90% of carbon dioxide emitted into the air comes from building which is 55% and the 35% from transportation.
Cool city is an environmental-friendly citys which is developed by SDCJ in Japan and they will build environmental cities in the Gulf region. The cities will be linked with a public transportation system that will be using solar water taxis, hybrid-cars and light-rail transit. The cities contain three main zones residential, commercial and business. The cities will use various techniques to reduce heat like tree planting, water channels and wind power. There is also a membrane that covers certain areas that use techniques that filter light and heat. They expect CO2 reduction from two types of buildings eco tower which is reduced by 50% and eco residential which is reduced by 30%. Finally the overall percentage of CO2 reduction will reach 60.
In my opinion I think building small cities that will only be used by rich people is not a long term solution We should apply these technologies to cities rather than small areas with a 1-km radius to see them work.
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